Ursula Wolz, Henry H. Leitner, David J. Malan, John Maloney. Starting with scratch in CS 1. In Sue Fitzgerald, Mark Guzdial, Gary Lewandowski, Steven A. Wolfman, editors, Proceedings of the 40th SIGCSE Technical Symposium on Computer Science Education, SIGCSE 2009, Chattanooga, TN, USA, March 4-7, 2009. pages 2-3, ACM, 2009. [doi]
Abstract is missing.